Fix missed duplicate() calls in PR#15352-15354

git-svn-id: https://svn.r-project.org/R/trunk@63113 00db46b3-68df-0310-9c12-caf00c1e9a41
tweaks

git-svn-id: https://svn.r-project.org/R/trunk@63114 00db46b3-68df-0310-9c12-caf00c1e9a41
more work on parallel testing

git-svn-id: https://svn.r-project.org/R/trunk@63116 00db46b3-68df-0310-9c12-caf00c1e9a41
avoid very slow checks

git-svn-id: https://svn.r-project.org/R/trunk@63117 00db46b3-68df-0310-9c12-caf00c1e9a41
batch output, allow parallelism

git-svn-id: https://svn.r-project.org/R/trunk@63119 00db46b3-68df-0310-9c12-caf00c1e9a41
tweaks

git-svn-id: https://svn.r-project.org/R/trunk@63120 00db46b3-68df-0310-9c12-caf00c1e9a41
tweaks

git-svn-id: https://svn.r-project.org/R/trunk@63121 00db46b3-68df-0310-9c12-caf00c1e9a41
parallel check

git-svn-id: https://svn.r-project.org/R/trunk@63122 00db46b3-68df-0310-9c12-caf00c1e9a41
kmeans(.) stop infinite loop: PR#15364; other cosmetic

git-svn-id: https://svn.r-project.org/R/trunk@63123 00db46b3-68df-0310-9c12-caf00c1e9a41
check for inst/LICEN[CS]E

git-svn-id: https://svn.r-project.org/R/trunk@63125 00db46b3-68df-0310-9c12-caf00c1e9a41
update for 63123

git-svn-id: https://svn.r-project.org/R/trunk@63126 00db46b3-68df-0310-9c12-caf00c1e9a41
avoid site library

git-svn-id: https://svn.r-project.org/R/trunk@63129 00db46b3-68df-0310-9c12-caf00c1e9a41